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The statement which is true about oogenesis is that the diploid secondary oocytes undergo meiosis II to form a haploid ootid cell and a polar body. Thus, the correct option for this question is A.

Meiosis may be defined as a type of cell division in which each parental cell is divided into four daughter cells. These daughter cells are genetically unique to the parental cells and are haploid in nature. Germ cells (gamete cells) are typically divided through this mode of cell division.

Oogenesis may be characterized as the process of female gamete formation including the formation of an oocyte from an oogonium followed by meiotic division. During the process of oogenesis, a haploid ootid cell and a polar body are formed with the help of meiotic division.

Therefore, the statement which is true about oogenesis is that the diploid secondary oocytes undergo meiosis II to form a haploid ootid cell and a polar body. Thus, the correct option for this question is A.

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Answer:

Petroleum

Explanation:

Like all fossil fuels, petroleum is a nonrenewable energy resource. This means that it is a resource that cannot be replaced as quickly as humans use up existing supplies. Humans face a problem because once petroleum reserves begin to run out, there won't be enough fuel to power all the automobiles in the world.

Answer:

it was before the continent drift the homosapiens travelling habitated the most parts of world

Answer:

This is referred to as metabolism . Metabolism includes both exothermic (heat-releasing) chemical reactions and endothermic (heat-absorbing) chemical reactions. Did this help?

Credits to bio lebre texts.

4,3  of two the between difference the to sent PaulRegards1,2,4Ode3,

Answer:

Liver cells being generated by air

Explanation:

A P E X

Answer:

While Copernicus rightly observed that the planets revolve around the Sun, it was Kepler who correctly defined their orbits. At the age of 27, Kepler became the assistant of a wealthy astronomer, Tycho Brahe, who asked him to define the orbit of Mars. Brahe had collected a lifetime of astronomical observations, which, on his death, passed into Kepler’s hands. (Brahe, who had his own Earth-centered model of the Universe, withheld the bulk of his observations from Kepler at least in part because he did not want Kepler to use them to prove Copernican theory correct.) Using these observations, Kepler found that the orbits of the planets followed three laws.

Answer:

Mutations can lead to positive adaptations in an organism

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A. Hydrogen fuses into helium generating a great deal of energy

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0-degrees latitude, at the equator. The temperatures would be higher because the radiation from the sun is more direct. The overall energy is greater per square meter because the sunlight is more direct.

Answer:

Explanation:

yes

Answer:

Answer:

Increased Bone Density found in humans which makes the human body stronger, as well as strenthening defense.

Mutations may affect tomatoes my increasing water retention

Explanation:

Explanation:

The food expect to have the lowest lipid levels is sesame seeds. The correct option is d.

Lipids are hydrocarbon-containing molecules that serve as the foundation for the structure and function of living cells.

Lipids include fats, oils, waxes, vitamins (such as A, D, E, and K), hormones, and the majority of the cell membrane that is not made of protein.

Carbon, hydrogen, and oxygen are the same elements found in lipids as they are in carbohydrates.

Lipids, on the other hand, are primarily composed of hydrocarbon chains and contain fewer polar hydroxyl groups. As a result, most lipids are nonpolar hydrophobic molecules.

Sesame seeds are high in saturated fat (15%), polyunsaturated fat (41%), and monounsaturated fat (39%).

According to research, eating more polyunsaturated and monounsaturated fat than saturated fat may help lower your cholesterol and reduce your risk of heart disease.

Thus, the correct option is d.

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Answer:

Major structural differences between a plant and an animal cell include: Plant cells have a cell wall, but animals cells do not. Cell walls provide support and give shape to plants. Plant cells have chloroplasts, but animal cells do not.

Answer:

plant cells have cell wall

plant cells have a single large vacuole

animal cells don't have cell wall

animal cell have many smaller vacuole

hope it helps

Exposure to infrared light can heat the lens of the eye and produce cataracts over the long term.

Answer:

B.Trees C.Animals & D.Plants are all biotic factors

Explanation:

A biotic factor is a living factor on an ecosystem, the sun is an abiotic factor because it is nonliving.

Answer:

it is because of a mutation in the hemoglobin gene

Answer: I cant say for sure how many species have to be extinct. But yes a species can become extinct.

Explanation:

Answer:

1 in 4 so 25% ---------------

Answer:

animals are multicellular

Explanation:

Answer:

A plant cell have a vacuole, chloroplasts and A cell wall

Vacuole - Gives the cell shape

Chloroplasts - Contain a green pigment (turns the plant green) To do with photosynthesis.

Cell Wall - Holds the cell up and keeps it in a rigid structure.

Answer:

option B is correct answer of this question

crust ,mantle,core

hope it helps

Answer:

Each layer has its own properties, composition, and characteristics that affects many of the key processes of our planet. They are, in order from the exterior to the interior – the crust, the mantle, the outer core, and the inner core.

Explanation:

Explanation:

Examples of genetic factors could include large breed cattle and species of grass affecting growth of organisms.

Similarly, drugs, chemicals, temperature, and light are among the external environmental factors that can determine which genes are turned on and off, thereby influencing the way an organism develops and functions.

As the temperature of the water increases so does the solution rate as the atoms gain more energy therefore there will be more frequent collisions.

Answer:

Fingerprints are still the most cost-effective and reliable way to identify people: ... No two fingerprints have ever been identical in the many millions of comparisons. Fingerprints solve ten times more unknown-suspect cases than DNA fingerprinting.

Explanation:

Answer:

C. Damaged vascular tissue could cause the fruit to not completely develop or even develop at all.

Explanation:

If the vascular tissues such as xylem and phloem are damaged, the fruit does not completely develop because the food that is produced in the leaves does not reach to the seed. The xylem helps in the transportation of water from the soil that is necessary for making of food during the process of photosynthesis so damaged xylem will not produced food and no food will be transported from leaves to seeds and if some food is produced by the leaves the phloem does not transport it to the seeds.